About: train control

Premodifier: train
Head noun: control

Same concepts
http://dbpedia.org/resource/Train_control

Broader concepts

label	provenance	confidence
application	isap:65043782	0.625591
similar appliance	isap:320745935	0.608036
system	isap:268831146	0.508627

Narrower concepts

label	provenance	confidence